Wispy Cloud Diapers
Size 1 Diapers
Size 1 fits babies 8-17 lb. Choose a weekly bag of 54, a two-bag bundle, or a monthly box of 216. Every pack is the same Wispy Cloud diaper: 3x absorbency, 60% thinner, Totally Chlorine Free.
- Weight
- 8-17 lb
- Monthly box
- 216 diapers
- Weekly bag
- 54 diapers
- Subscribe & save
- 20% off box one
Shop Size 1 Diapers9
Alppi Wispy Cloud Diaper Monthly Box
1 (8-17 lbs) 216pcs
$105.00
$0.48 / diaper · 216 ct
$89.25 with Subscribe & Save
Alppi Wispy Cloud Diaper Bundles
1 (8-17 lbs) 54pcs
$53.70$63.40
$0.49 / diaper · 108 ct
$45.65 with Subscribe & Save
Alppi Rash-Free Diapers
1 (8-17 lbs) 216pcs
$105.00
$0.48 / diaper · 216 ct
$89.25 with Subscribe & Save
Diaper + Dry Wipes Value Combo (Monthly)
1 (8-17 lbs) 216pcs
$126.96$158.70
$107.92 with Subscribe & Save
Compare packs
Size 1 price per diaper, by pack
Same Wispy Cloud diaper in every pack. Bigger packs and subscriptions cost less per diaper.
Fit check
Is it time to size up?
Red marks
Marks around the legs or waist mean the diaper is getting snug.
More leaks
Leaks or blowouts after a fit check usually mean it's time for the next size.
Tabs barely reach
If the tabs only just reach the landing zone, the next size will fit better.
Weight check
Size 1 is made for 8-17 lb. Near the top of the range? Look at the next size.
From the Alppi Journal
Sizing guides
Quick answers
Questions, answered
What weight is Size 1?
Size 1 Alppi diapers fit babies 8-17 lb.
How many size 1 diapers come in a box?
A monthly box has 216 diapers and a weekly bag has 54.
How do I know the fit is right?
The waistband sits just below the belly button, the leg guards are pulled out, and two fingers fit under the back waist.
Buying guide
Size 1 Diapers guide
Size 1 diapers are such a special milestone – they're often baby's first step up from those tiny newborn days! At Alppi Baby, we've crafted our size 1 collection with the same alpine-inspired comfort and LiquidLock™ technology that gives you confidence during those beautiful, messy early months when every day brings new adventures.
Size 1 Diapers with Superior Protection
You know those middle-of-the-night changes and busy mornings when you need a diaper that just works? We've got you covered with absorption that actually delivers.
- LiquidLockâ„¢ core holds 233% more liquid than leading brands
- 2x faster absorption means less time against baby's sensitive skin
- 3x absorbency capacity for those longer stretches between changes
- Reliable blowout protection that saves your sanity (and laundry!)
Need something extra special? Check out our Staff Pick collection for staff-approved favorites.
Breathable Softness Your Baby Will Love
There's nothing like seeing your little one comfortable and happy. Our Cloudfreshâ„¢ fabric keeps things gentle while your baby discovers the world around them.
- 20% more breathable so baby stays cool during active play
- 60% thinner design that doesn't add bulk under those adorable outfits
- Cloud-soft materials that feel like a gentle hug
- Flexible fit that moves with all those precious wiggles and rolls
Baby-Safe Diapers for Peace of Mind
Moms read every label carefully. That's why we've made sure every ingredient meets our highest safety standards.
- Totally chlorine-free core because your baby deserves the purest materials
- No fragrance, latex, dyes, parabens, or phthalates – just clean protection
- Dermatologist-tested for even the most sensitive skin
- Made in FDA-registered facilities with rigorous safety testing
Find additional safe, gentle choices in our Safety Page Collection.
Thoughtful Design for Real Life
We know diaper changes happen everywhere – nurseries, car backseats, park benches. Every detail is designed to make your life just a little bit easier.
- Stretchy waistband and soft tabs that won't pinch or pull
- Individually wrapped diapers that stay fresh and clean
- Sweet Alppi characters that make diaper time a little more fun
- Convenient subscription delivery so you never run out
Looking for our absolute softest option? You'll love our Wispy Cloud Diaper collection.
Frequently Asked Questions: Size 1 Diapers
What age do babies stay in size 1 diapers?
Most little ones wear size 1 from around 2-8 weeks old through about 2-4 months, depending on their birth weight and growth rate. Babies typically move into size 1 once they outgrow newborn diapers around 8 pounds.
What weight is a size 1 diaper?
Size 1 diapers fit babies weighing 8-14 pounds perfectly. This sweet spot usually covers those early months when babies are establishing feeding routines and growing steadily. Weight is always more reliable than age for getting the right fit.
How to know when to go up in diaper size?
Watch for telltale signs like frequent leaks, red marks around the waist or thighs, or tabs that barely reach the front. The diaper should feel snug but comfortable, like a gentle hug. When in doubt, sizing up often solves mysterious leak issues.
Can my 7lb baby wear size 1 diapers?
Your precious 7lb baby will be most comfortable in newborn size diapers. Size 1 will likely be too big and may cause leaks or gaps around those tiny legs. Stick with newborn until baby reaches closer to 8 pounds for the best fit.
Who Size 1 diapers are for
Size 1 is made for 8-17 lb and usually lines up with the early months. Weight matters more than age, because babies grow at different speeds. Size 1 overlaps with Newborn and Size 2, which gives you a few weeks of wiggle room as your baby grows.
How many size 1 diapers will you need?
| Pack | Diapers | At 8/day | At 10/day |
|---|---|---|---|
| Weekly bag | 54 | 6 days | 5 days |
| Bundle (2 bags) | 108 | 13 days | 10 days |
| Monthly box | 216 | 27 days | 21 days |
Daily use is a rough guide. Babies who feed often or have frequent dirty diapers will use more, and many parents change more often at night.
How a size 1 diaper should fit
- The waistband sits just below the belly button (or below the umbilical stump for newborns)
- Both tabs land evenly on the landing zone without overlapping
- Leak guards are pulled out all the way around the legs
- You can slide two fingers under the back waist
Signs it's time for a different size
Red marks around the legs or waist, tabs that only just reach, or leaks that keep happening after a fit check usually mean it's time to move up. If the diaper gaps at the legs or the tabs cross over each other, the size may be too big. Smaller: Newborn (<11 lb) · Next up: Size 2 (13-22 lb)
Newborn or Size 1?
If your baby is over 8 lb and the Newborn tabs are getting close to the center, Size 1 usually fits better. Many babies skip Newborn entirely if they're born on the bigger side. When in doubt, a weekly bag is an easy way to test the fit before you subscribe.
Feeding and diaper counts
In the early months, frequent feeds mean frequent changes. Expect more wet diapers on growth-spurt days. If you notice far fewer wet diapers than usual, check in with your pediatrician.
Why parents choose Alppi
- 3x absorbency with Liquidlockâ„¢, locking moisture in 2x faster
- 60% thinner and 20% more breathable with Cloudfreshâ„¢
- Up to 12-hour protection and advance blowout protection
- Totally Chlorine Free, hypoallergenic, no latex, fragrance or lotion
- Rated 4.6 from 734 reviews